Craig  
                
                  
                    November 10, 2010,  3:36pm
                   
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              I was thinking about sheets for the projector screen and I remembered that Harbor Freight was having a sale on tarps. Would this tarp work?
http://goo.gl/rPZdD 
It’s a reversible blue/silver tarp for $5. If the silver is not too reflective then maybe it will work as a thick screen and then we could use the blue on the back for a green  blue screen for video effects?
             
            
              
            
                
           
          
            
            
              all the screens i have worked with are white, anyone know if gray will
             
            
              
            
                
           
          
            
              
                cjdavis  
              
                  
                    November 10, 2010,  3:41pm
                   
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              I have a feeling it will be much too reflective and non-uniform for either use, but we can certainly try it.
Besides it will be good to have for disposing of that zombie lurking in the space once we find him.
             
            
              
            
                
           
          
            
              
                Paul  
              
                  
                    November 10, 2010,  3:52pm
                   
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                Craig  
              
                  
                    November 10, 2010,  3:54pm
                   
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              Good point. They also have 9x12’ drop cloths that are white for $15
http://goo.gl/l1ICb 
I’m thinking that will be thick enough.
             
            
              
            
                
           
          
            
              
                Paul  
              
                  
                    November 10, 2010,  3:54pm
                   
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              Although reading around you apparently want some fabric that is thick enough to not let the light pass through it, but also not reflective.
             
            
              
            
                
           
          
            
              
                Paul  
              
                  
                    November 10, 2010,  3:55pm
                   
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              The drop cloth does not look too bad, could be very much so worth it to give it a try.
             
            
              
            
                
           
          
            
              
                Paul  
              
                  
                    November 10, 2010,  3:58pm
                   
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              Wow… I think I accidentally that entire sentence.
Translation:
The drop cloth looks like a good solution, and it is cheaper so it could be worth it to give it a try.
             
            
              
            
                
           
          
            
              
                Craig  
              
                  
                    November 10, 2010,  4:03pm
                   
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              Just for reference, Amazon is selling wall/ceiling projection screens for around $50.
http://www.amazon.com/70INX70IN-Model-Manual-Screen-ceiling/dp/B0002855KK 
Right now I’m planning on picking up the drop cloth. Even if we just buy a screen we could always use a drop cloth.
             
            
              
            
                
           
          
            
              
                Paul  
              
                  
                    November 10, 2010,  4:14pm
                   
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              Also to consider is its projection area is 70"x70" which is 5.8 feet x 5.8 feet.
So I think we have some leeway in going over $50 since our screen will be larger.